Pizza oven



FIG. 1 is a front view of a pizza oven showing my design therefor;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a right side elevational view thereof, the right and left sideelevational views being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Throughout the drawings, broken lines show environment only and form nopart of the claimed design.

CLAIM The ornamental design for a pizza oven, as shown and described.